Remove BanChatSenderChat.until_date

Author: pengrad

library/src/main/java/com/pengrad/telegrambot/request/BanChatSenderChat.java

@@ -12,8 +12,4 @@ public BanChatSenderChat(Object chatId, long sender_chat_id) {
         super(BaseResponse.class);
         add("chat_id", chatId).add("sender_chat_id", sender_chat_id);
     }
-
-    public BanChatSenderChat untilDate(int untilDate) {
-        return add("until_date", untilDate);
-    }
 }

library/src/test/java/com/pengrad/telegrambot/TelegramBotTest.java

@@ -1970,7 +1970,7 @@ public void chatJoinRequest() {
 
     @Test
     public void banChatSenderChat() {
-        BaseResponse response = bot.execute(new BanChatSenderChat(channelName, memberBot).untilDate(123));
+        BaseResponse response = bot.execute(new BanChatSenderChat(channelName, memberBot));
         assertTrue(response.isOk());
     }